#VU118405 NULL pointer dereference in Linux kernel - CVE-2025-40156
Published: November 12, 2025
Vulnerability identifier: #VU118405
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-40156
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the mtk_ccifreq_probe() function in drivers/devfreq/mtk-cci-devfreq.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's repository.
External links
- https://git.kernel.org/stable/c/24d61b6e23d2c7291c528dd43a0bf76b5c05c8f0
- https://git.kernel.org/stable/c/44e32104cf7e670e3d683c97b52350d8fac23322
- https://git.kernel.org/stable/c/80eab6a9df7e1107dc334434dbacd05297703377
- https://git.kernel.org/stable/c/9cc23e221f392304b7b8aad213812564ddf6517e
- https://git.kernel.org/stable/c/fc33bf0e097c6834646b98a7b3da0ae5b617f0f9